<a href='user_1.html' target='_blank'>View calendar from user-1 perspective</a><br>
<a href='user_2.html' target='_blank'>View calendar from user-2 perspective</a><br>
<a href='combined.html' target='_blank'>Combined view</a> - readonly mode, only shared events from above calendars are shown<br> 
<a href='user_1_combined.html' target='_blank'>Combined view</a> - user-1 events in editable mode, user-2 event in readonly mode <br> 
